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Finding the Fourth Proportional to 3,766.93, 5,679.29 and 3,512.85

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Solution

The fourth proportional to 3,766.93, 5,679.29 and 3,512.85 is: 5,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.93 : 5,679.29 = 3,512.85 : x
  2. Step 2: Convert to fraction form
    3,766.93/5,679.29 = 3,512.85/x
  3. Step 3: Cross multiply
    3,766.93x = 5,679.29 × 3,512.85
  4. Step 4: Simplify right side
    3,766.93x = 19,950,493.88
  5. Step 5: Solve for x
    x = 19,950,493.88/3,766.93
  6. Step 6: Final answer
    x = 5,296.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.